The imperial crown is a symbol of power, authority, and royalty. Synonyms for this regal headgear include diadem, tiara, coronet, and circlet. A diadem is a jeweled crown worn by a monarch or deity, often representing sovereignty or divinity. A tiara is a type of crown, typically consisting of a band or wreath adorned with jewels or other ornaments, often worn by a queen or bride. A coronet is a small crown worn by a noble, representing a rank below that of a monarch. A circlet is a simple metal band worn around the head, often symbolizing royalty or victory. These synonyms for imperial crown all represent different types of crowns and headwear associated with royalty and power.